题目内容
21
A. Its subjects are too simple to use the formula.
B. The formula is good for this kind of writing.
C. Its subjects require deep thoughts and investigation.
D. Careful thinking should be throughout the process of writing.
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22
A. One that follows a clear formula.
B. One with evidence leading to conclusion.
C. One full of descriptive words.
D. One with shorter but well-organized sentences.
24
A. Touching and frequent ads.
B. Friendly online conversation.
C. Good reputation of the seller.
Discounts and small gifts.
25
A. By adding various products.
By lowering the prices.
C. By having good post-sale service.
D. By making quick deliveries.
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